Sewer-trap.



No. 791,326. PATENTEDMAY30,19O5.

- B. DALE.

SEWER TRAP.

APPLICATION FILED DEU.19,1904.

wvemtoz the opening in which is in a plane above the trap, and means for securing the trap to a catch-basin or sewer-trap, substantially as described.

2. A catch-basin trap consisting of a metal casting having a depending trap, an inclined opening therein, an outwardly extended flange surrounding said opening, a valve-seat plate secured to said flange, upwardly-extending bearing-hooks on said plate, a valve provided with outwardly-extended pintles adapted to engage the hooks to hinge the valve, and a lug cast upon the front of the valve and provided With an opening, for the purpose described.

3. A sewer-trap comprising a depending trap-chamber, an inclined flange surrounding BERT. DALE.

Witnesses:

RICHARD ELSNER, HENRY H EUMANN. 

